Do not be afraid and refuse to buy leather models for the reason that during the fitting, the finger rests inside the sock. After a few workouts, they will sit on the leg like a glove. And models made of synthetic materials, for example
https://dreampairshoes.com/collections/kids-soccer-shoes, you need to take the size in size. But in rainy weather, artificial leather will not absorb moisture and the weight of the shoe will not increase.